@charset "UTF-8";

/* =========================================================
   1. Foundation
========================================================= */
:root {
    --color-primary: #FF6B9D;
    --color-primary-dark: #E5558A;
    --color-secondary: #4ECDC4;
    --color-accent: #FFE66D;
    --color-text: #2D3748;
    --color-text-light: #718096;
    --color-bg: #FDFCFC;
    --color-bg-alt: #F8F9FF;
    --color-border: #E2E8F0;
    --font-main: 'M PLUS Rounded 1c', 'Kosugi Maru', sans-serif;
    --container-width: 1100px;
    --section-space-pc: 100px;
    --section-space-sp: 60px;
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-main); color: var(--color-text); background-color: var(--color-bg); line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* =========================================================
   2. Layout
========================================================= */
.l-container { max-width: var(--container-width); margin: 0 auto; padding: 0 20px; }
.l-container--narrow { max-width: 760px; }
.l-section { padding: var(--section-space-pc) 0; }
.l-section--bg-alt { background-color: var(--color-bg-alt); }

.l-header { position: fixed; top: 0; left: 0; width: 100%; background-color: rgba(255, 255, 255, 0.95); backdrop-filter: blur(8px); z-index: 100; transition: background-color 0.3s, box-shadow 0.3s; }
.l-header.is-scrolled { background-color: rgba(255, 255, 255, 0.98); box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08); }
.l-header__inner { display: flex; justify-content: space-between; align-items: center; padding: 20px; max-width: var(--container-width); margin: 0 auto; transition: padding 0.3s; }
.l-header.is-scrolled .l-header__inner { padding: 10px 20px; }
.l-header__logo { font-size: 1.25rem; font-weight: 800; color: var(--color-primary); }
.l-header__logo-link { display: flex; align-items: center; gap: 8px; }
.l-header__nav-list { display: flex; align-items: center; gap: 30px; }
.l-header__nav-item { font-weight: 700; position: relative; padding: 5px 0; }
.l-header__nav-item::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background-color: var(--color-primary); transition: var(--transition-base); }
.l-header__nav-item:hover::after { width: 100%; }

.l-footer { background-color: var(--color-text); color: #fff; padding: 60px 0 30px; }
.l-footer__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.l-footer__logo { font-size: 1.5rem; color: #fff; margin-bottom: 16px; }
.l-footer__contact { margin-top: 16px; opacity: 0.8; line-height: 2; }
.l-footer__copy { text-align: center; opacity: 0.6; font-size: 0.875rem; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 30px; }

/* =========================================================
   3. Component
========================================================= */
.c-btn { display: inline-flex; align-items: center; justify-content: center; border-radius: 9999px; font-weight: 700; transition: var(--transition-base); cursor: pointer; border: none; line-height: 1.4; text-align: center; }
.c-btn--primary { background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%); color: #fff; box-shadow: 0 4px 15px rgba(255, 107, 157, 0.3); }
.c-btn--primary:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(255, 107, 157, 0.4); }
.c-btn--secondary { background: #fff; color: var(--color-text); border: 2px solid var(--color-border); }
.c-btn--secondary:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-3px); }
.c-btn--small { padding: 0.6rem 1.5rem; font-size: 0.9rem; }
.c-btn--large { padding: 1.25rem 2.5rem; font-size: 1.125rem; }
.c-btn--full { width: 100%; }

.c-btn--pulse { animation: pulse 2s infinite; }
@keyframes pulse { 
    0% { box-shadow: 0 0 0 0 rgba(255, 107, 157, 0.5); } 
    70% { box-shadow: 0 0 0 10px rgba(255, 107, 157, 0); } 
    100% { box-shadow: 0 0 0 0 rgba(255, 107, 157, 0); } 
}

.c-section-header { text-align: center; margin-bottom: 50px; }
.c-section-header__sub { color: var(--color-primary); font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 8px; }
.c-section-header__title { font-size: clamp(2rem, 4vw, 2.5rem); }
.c-section-header__desc { color: var(--color-text-light); margin-top: 10px; }
.c-section-header__link-note { color: var(--color-primary); font-size: 0.875rem; margin-top: 8px; }
.c-drawer-btn { display: none; flex-direction: column; justify-content: space-between; width: 30px; height: 20px; background: transparent; border: none; cursor: pointer; z-index: 101; }
.c-drawer-btn span { width: 100%; height: 3px; background-color: var(--color-primary); border-radius: 3px; transition: var(--transition-base); transform-origin: center; }
.c-drawer-btn.is-active span:nth-child(1) { transform: translateY(8.5px) rotate(45deg); }
.c-drawer-btn.is-active span:nth-child(2) { opacity: 0; }
.c-drawer-btn.is-active span:nth-child(3) { transform: translateY(-8.5px) rotate(-45deg); }

.c-card { background: #fff; padding: 30px; border-radius: 20px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); transition: var(--transition-base); position: relative; border: 2px solid transparent; }
.c-card:hover { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,0.08); }
.c-card--highlight { border-color: var(--color-accent); }
.c-card__badge { position: absolute; top: -12px; right: 20px; background: var(--color-accent); color: var(--color-text); padding: 4px 16px; border-radius: 20px; font-weight: 700; font-size: 0.875rem; }
.c-card__title { font-size: 1.25rem; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.c-card__dl { display: grid; grid-template-columns: 3rem 1fr; gap: 8px; font-size: 0.95rem; color: var(--color-text-light); }
.c-card__dl dt { font-weight: 700; color: var(--color-text); }

.c-list { margin-top: 16px; }
.c-list li { margin-bottom: 8px; position: relative; padding-left: 1.5em; color: var(--color-text-light); }
.c-list--bullet li::before { content: '•'; position: absolute; left: 0; color: var(--color-primary); font-weight: bold; }
.c-list--check li::before { content: '✓'; position: absolute; left: 0; color: var(--color-secondary); font-weight: bold; }

.c-tag { display: inline-block; background: #E0F4FF; color: var(--color-text); padding: 4px 12px; border-radius: 12px; font-size: 0.8rem; font-weight: 700; margin-right: 8px; margin-bottom: 8px; }

.c-youtube-wrapper { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; border-radius: 16px; box-shadow: 0 8px 30px rgba(0,0,0,0.1); }
.c-youtube-wrapper iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; }

.c-form-group { margin-bottom: 24px; }
.c-form-label { display: block; font-weight: 700; margin-bottom: 8px; }
.c-form-required { background: var(--color-primary); color: #fff; font-size: 0.75rem; padding: 2px 8px; border-radius: 4px; margin-left: 8px; }
.c-form-optional { background: var(--color-border); color: var(--color-text-light); font-size: 0.75rem; padding: 2px 8px; border-radius: 4px; margin-left: 8px; }
.c-form-input, .c-form-select, .c-form-textarea { width: 100%; padding: 12px 16px; border: 2px solid var(--color-border); border-radius: 8px; font-family: inherit; font-size: 1rem; transition: border-color 0.2s; }
.c-form-input:focus, .c-form-select:focus, .c-form-textarea:focus { outline: none; border-color: var(--color-primary); }
.c-form-textarea { resize: vertical; min-height: 100px; }

.c-floating-cv { position: fixed; bottom: 0; left: 0; width: 100%; padding: 15px; background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(8px); box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.08); z-index: 90; transform: translateY(100%); animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) 1s forwards; }
@keyframes slideUp { to { transform: translateY(0); } }

/* =========================================================
   4. Project Specific
========================================================= */
.p-hero { padding: 180px 0 80px; position: relative; overflow: hidden; }
.p-hero::before { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle, rgba(255,244,224,1) 0%, rgba(255,229,236,1) 50%, rgba(224,244,255,1) 100%); opacity: 0.5; z-index: -1; animation: rotateBg 60s linear infinite; }
@keyframes rotateBg { 100% { transform: rotate(360deg); } }
.p-hero__inner { max-width: 800px; text-align: center; }
.p-hero__badge { display: inline-flex; align-items: center; gap: 8px; background: #f0fdf4; color: #16a34a; padding: 8px 20px; border-radius: 100px; font-size: 0.9rem; font-weight: 700; margin-bottom: 24px; border: 1px solid #bbf7d0; }

.p-hero__title { font-size: clamp(1.1rem, 3.8vw, 2.8rem); line-height: 1.4; margin-bottom: 24px; }
.p-hero__lead { font-size: clamp(1rem, 2vw, 1.125rem); color: var(--color-text-light); margin-bottom: 30px; }

.p-hero__campaign { 
    display: inline-block; 
    background: linear-gradient(135deg, #FFF4E0 0%, #FFE5EC 100%); 
    padding: 12px 24px; 
    border-radius: 12px; 
    font-weight: 700; 
    color: var(--color-primary-dark); 
    margin-bottom: 40px; 
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}
.p-hero__campaign:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(255, 107, 157, 0.2); }

.p-hero__announce {
    margin: 16px 0 24px;
    border: 2px solid #FF6B35;
    border-radius: 12px;
    background: linear-gradient(135deg, #FFF8F0 0%, #FFF0E0 100%);
    padding: 16px 20px;
    text-align: left;
}
.p-hero__announce-title {
    font-size: 1rem;
    font-weight: 700;
    color: #FF6B35;
    margin: 0 0 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.p-hero__announce-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.p-hero__announce-list li {
    font-size: 0.9rem;
    color: var(--color-text);
    padding-left: 1.2em;
    position: relative;
    line-height: 1.5;
}
.p-hero__announce-list li::before {
    content: "・";
    position: absolute;
    left: 0;
    color: #FF6B35;
    font-weight: 700;
}

.p-hero__btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.p-hero__image { margin-top: 50px; }
.p-hero__image img { border-radius: 20px; box-shadow: 0 10px 30px rgba(0,0,0,0.1); width: 100%; }

/* Features Card Design */
.p-features__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
.p-features__card { position: relative; overflow: hidden; display: flex; flex-direction: column; background: #fff; border-radius: 24px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05); transition: var(--transition-base); border: none; }
.p-features__card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(255, 107, 157, 0.1); }
.p-features__card-image { position: relative; aspect-ratio: 16 / 10; overflow: hidden; margin-bottom: 0; }
.p-features__card-image img { width: 100%; transition: transform 0.6s ease; object-fit: cover; }
.p-features__card:hover img { transform: scale(1.08) rotate(1deg); }
.p-features__card-number { position: absolute; top: 15px; left: 15px; background: var(--color-primary); color: #fff; font-family: 'Arial', sans-serif; font-weight: 800; padding: 4px 12px; border-radius: 6px; font-size: 1rem; z-index: 2; box-shadow: 0 4px 10px rgba(255, 107, 157, 0.3); }
.p-features__card-body { padding: 30px 25px; flex-grow: 1; text-align: left; }
.p-features__card-title { font-size: 1.35rem; line-height: 1.5; margin-bottom: 15px; font-weight: 800; color: var(--color-text); }
.u-text-primary { color: var(--color-primary); }

.p-features__official { margin-top: 50px; padding: 40px 30px; background: #fff; border-radius: 16px; text-align: center; border: 1px solid var(--color-border); box-shadow: 0 4px 15px rgba(0,0,0,0.03); }
.p-features__official-title { font-size: 1.25rem; color: var(--color-primary); margin-bottom: 12px; }
.p-features__official-text { color: var(--color-text-light); margin-bottom: 24px; max-width: 600px; margin-left: auto; margin-right: auto; line-height: 1.8; }

.p-classes__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; }
.p-classes__notes { margin-top: 40px; background: #fff; padding: 30px; border-radius: 16px; box-shadow: 0 2px 10px rgba(0,0,0,0.02); border: 1px solid var(--color-border); }

.c-card--wide { grid-column: 1 / -1; }
.c-card--eiken { border-color: #4A90D9; background: linear-gradient(135deg, #F0F7FF 0%, #fff 100%); }
.c-card__subtitle { font-size: 0.95rem; color: var(--color-text-light); margin-top: -10px; margin-bottom: 20px; }
.c-card__courses { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin-top: 4px; }
.c-card__course { background: #fff; border: 1px solid #C8DEFF; border-radius: 12px; padding: 18px 20px; }
.c-card__course-title { font-size: 1rem; font-weight: 700; color: #4A90D9; margin-bottom: 8px; display: flex; align-items: center; gap: 6px; }
.c-card__course-label { font-size: 0.8rem; color: #fff; background: #4A90D9; border-radius: 20px; padding: 2px 10px; font-weight: 600; }
.c-card__course p { font-size: 0.9rem; color: var(--color-text-light); line-height: 1.7; margin: 0; }
.p-classes__notes-title { font-size: 1.125rem; color: var(--color-primary); }

.p-pricing__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; align-items: stretch; }
.p-pricing__card { background: #fff; border-radius: 24px; padding: 40px; box-shadow: 0 4px 20px rgba(0,0,0,0.05); border: 2px solid var(--color-border); transition: var(--transition-base); position: relative; display: flex; flex-direction: column; }
.p-pricing__card:hover { transform: translateY(-8px); border-color: var(--color-primary); }
.p-pricing__card--featured { border-color: var(--color-primary); box-shadow: 0 8px 30px rgba(255,107,157,0.15); transform: scale(1.02); }
.p-pricing__card--featured:hover { transform: scale(1.02) translateY(-8px); }
.p-pricing__badge { position: absolute; top: -15px; left: 50%; transform: translateX(-50%); background: var(--color-primary); color: #fff; padding: 6px 24px; border-radius: 20px; font-weight: 700; font-size: 0.9rem; z-index: 10; }
.p-pricing__card-title { text-align: center; font-size: 1.25rem; margin-bottom: 8px; }
.p-pricing__card-subtitle { text-align: center; color: var(--color-text-light); font-size: 0.875rem; margin-bottom: 24px; }
.p-pricing__price { text-align: center; margin-bottom: 30px; padding-bottom: 20px; border-bottom: 1px solid var(--color-border); }
.p-pricing__price-currency { font-size: 1.5rem; font-weight: 700; }
.p-pricing__price-amount { font-size: 3rem; font-weight: 800; line-height: 1; color: var(--color-primary-dark); }
.p-pricing__price-period { color: var(--color-text-light); }
.p-pricing__features { flex-grow: 1; }

.p-pricing__card-image { margin-bottom: 24px; border-radius: 12px; overflow: hidden; }
.p-pricing__card-image img { width: 100%; transition: transform 0.3s; }
.p-pricing__card:hover .p-pricing__card-image img { transform: scale(1.05); }

.p-pricing__details { margin-top: 40px; background: var(--color-bg-alt); padding: 30px; border-radius: 16px; border: 1px solid var(--color-border); }
.p-pricing__details-title { font-size: 1.125rem; color: var(--color-primary); }

.p-pricing__explanation { margin-top: 30px; background: #fff; padding: 40px; border-radius: 16px; box-shadow: 0 4px 15px rgba(0,0,0,0.03); border: 1px solid var(--color-border); }
.p-pricing__explanation-title { font-size: 1.25rem; color: var(--color-primary); margin-bottom: 20px; font-weight: 700; }
.p-pricing__explanation-text { margin-bottom: 16px; color: var(--color-text-light); line-height: 1.8; }
.p-pricing__explanation-text:last-child { margin-bottom: 0; }

.p-teacher__profile { display: flex; gap: 40px; background: #fff; padding: 40px; border-radius: 24px; box-shadow: 0 4px 20px rgba(0,0,0,0.05); margin-bottom: 60px; align-items: center; border: 1px solid var(--color-border); }
.p-teacher__image { width: 140px; height: 140px; background: linear-gradient(135deg, #FFE5EC 0%, #FFC1DC 100%); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 4rem; flex-shrink: 0; }
.p-teacher__name { font-size: 1.5rem; color: var(--color-primary); margin-bottom: 10px; }
.p-teacher__tags { margin-bottom: 16px; }
.p-teacher__bio { margin-bottom: 24px; }
.p-teacher__bio li { margin-bottom: 12px; }
.p-teacher__message { background: var(--color-bg-alt); padding: 24px; border-radius: 12px; border-left: 4px solid var(--color-secondary); }
.p-teacher__message h4 { margin-bottom: 12px; font-size: 1.125rem; color: var(--color-primary); }
.p-teacher__message p { margin-bottom: 12px; color: var(--color-text-light); line-height: 1.8; }
.p-teacher__message p:last-child { margin-bottom: 0; }
.p-teacher__youtube-title { text-align: center; font-size: 1.5rem; margin-bottom: 8px; }
.p-teacher__youtube-desc { text-align: center; color: var(--color-text-light); margin-bottom: 24px; }
.p-teacher__youtube-container { max-width: 640px; margin: 0 auto; }

/* Events Slider */
.p-events__group { margin-bottom: 60px; }
.p-events__group:last-child { margin-bottom: 0; }
.p-events__group-title { font-size: 1.5rem; font-weight: 800; color: var(--color-text); margin-bottom: 24px; padding-bottom: 12px; border-bottom: 3px solid var(--color-accent); display: flex; align-items: center; gap: 10px; }

.p-events__slider-wrap { position: relative; padding: 0 52px; }
.p-events__slider { overflow: hidden; }
.p-events__slider-track { display: flex; transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1); will-change: transform; }

.p-events__slider-btn { position: absolute; top: calc(50% - 22px); transform: translateY(-50%); width: 44px; height: 44px; border-radius: 50%; background: #fff; border: 2px solid var(--color-border); cursor: pointer; display: flex; align-items: center; justify-content: center; color: var(--color-text); transition: var(--transition-base); z-index: 2; box-shadow: 0 2px 8px rgba(0,0,0,0.1); padding: 0; }
.p-events__slider-btn--prev { left: 0; }
.p-events__slider-btn--next { right: 0; }
.p-events__slider-btn:hover:not(:disabled) { background: var(--color-primary); color: #fff; border-color: var(--color-primary); box-shadow: 0 4px 15px rgba(255,107,157,0.3); }
.p-events__slider-btn:disabled { opacity: 0.3; cursor: default; pointer-events: none; }

.p-events__slider-dots { display: flex; justify-content: center; gap: 8px; margin-top: 20px; flex-wrap: wrap; }
.p-events__slider-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--color-border); border: none; cursor: pointer; transition: background 0.2s, transform 0.2s; padding: 0; }
.p-events__slider-dot.is-active { background: var(--color-primary); transform: scale(1.3); }

.p-events__card { flex-shrink: 0; background: #fff; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 15px rgba(0,0,0,0.06); border: 1px solid var(--color-border); }
.p-events__card-image { aspect-ratio: 4 / 3; overflow: hidden; background-color: var(--color-bg-alt); }
.p-events__card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.p-events__card:hover .p-events__card-image img { transform: scale(1.06); }
.p-events__card-caption { padding: 14px 16px; font-size: 0.9rem; color: var(--color-text-light); text-align: center; font-weight: 700; }

.p-trial { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); position: relative; }
.p-trial__card { background: #fff; padding: 50px; border-radius: 24px; box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2); }
.p-trial__title { font-size: clamp(1.5rem, 3vw, 2rem); text-align: center; margin-bottom: 10px; color: var(--color-primary); }
.p-trial__lead { text-align: center; color: var(--color-text-light); margin-bottom: 30px; }

/* =========================================================
   5. Utility & Mobile
========================================================= */
.u-text-highlight { background: linear-gradient(transparent 70%, #FFE66D 70%); }
.u-text-note { font-size: 0.875rem; color: var(--color-text-light); display: inline-block; margin-top: 4px; }
.u-icon-check { color: #16a34a; font-weight: bold; }
.u-icon-external { margin-left: 8px; vertical-align: middle; }
.u-show-sp { display: none; }

@media (max-width: 768px) {
    .l-section { padding: var(--section-space-sp) 0; }
    .u-show-sp { display: block; }
    .c-drawer-btn { display: flex; }
    
    .l-header__nav { position: fixed; top: 0; left: 0; width: 100%; height: 100vh; background-color: rgba(255, 255, 255, 0.98); display: flex; flex-direction: column; justify-content: center; align-items: center; opacity: 0; visibility: hidden; transition: opacity 0.3s, visibility 0.3s; z-index: 100; }
    .l-header__nav.is-open { opacity: 1; visibility: visible; }
    .l-header__nav-list { flex-direction: column; gap: 30px; font-size: 1.25rem; }

    .p-hero { padding: 100px 0 40px; }
    .p-hero__title { font-size: 1.6rem; text-align: left; }
    .p-hero__lead { font-size: 0.95rem; text-align: left; }
    .p-hero__btns { flex-direction: column; width: 100%; }
    .p-hero__btns .c-btn { width: 100%; }
    
    .p-features__grid { gap: 20px; }
    .p-features__card-body { padding: 20px; }
    .p-features__card-title { font-size: 1.2rem; }

    .p-pricing__card { padding: 30px 20px; }
    .p-pricing__card--featured { transform: scale(1); }
    .p-pricing__card--featured:hover { transform: translateY(-5px); }

    .p-teacher__profile { flex-direction: column; text-align: center; padding: 30px 20px; }
    .p-teacher__image { margin: 0 auto; }
    .p-teacher__bio li, .p-teacher__message { text-align: left; }

    .l-footer__inner { grid-template-columns: 1fr; gap: 30px; }
    .p-trial__card { padding: 30px 20px; }

    .p-events__group { margin-bottom: 40px; }
    .p-events__group-title { font-size: 1.25rem; }
    .p-events__slider-wrap { padding: 0 40px; }
    .p-events__slider-btn { width: 36px; height: 36px; }
    
    body { padding-bottom: 80px; }
}