.btn {
    display: inline-block;
    text-decoration: none; background: var(--shu); color: var(--blanc);
    font-family: var(--body); font-weight: 700; letter-spacing: .01em;
    padding: 16px 32px; border-radius: 3px; font-size: .88rem; line-height: 1;
    border: none; cursor: pointer;
    transition: background .2s, color .2s, border-color .2s;
  }
.hero-page-photo {
    position: absolute; inset: 0; width: 100%; height: 100%;
    object-fit: cover; object-position: center 26%; opacity: .5;
  }
@media (max-width: 720px) {
    .hero-page-photo { object-position: 72% 28%; }
  }
.hero-page::before {
    content: ""; position: absolute; inset: 0; z-index: 1;
    background: linear-gradient(to right, rgba(20,31,44,.92) 0%, rgba(20,31,44,.72) 52%, rgba(20,31,44,.25) 100%);
  }
.hero-page h1 {
    font-family: var(--display); font-weight: 600;
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    line-height: 1.18; letter-spacing: -.02em; color: var(--blanc);
    max-width: 16ch; margin-top: 12px;
    animation: monte .9s cubic-bezier(.22,.61,.36,1) both .4s;
  }
.hero-page .sous {
    margin-top: 20px; max-width: 54ch; font-size: 1.06rem; color: rgba(255,255,255,.9);
    animation: monte .9s cubic-bezier(.22,.61,.36,1) both .6s;
  }
.hero-page .actions {
    margin-top: 34px; display: flex; gap: 18px; flex-wrap: wrap; align-items: center;
    animation: monte .9s cubic-bezier(.22,.61,.36,1) both .8s;
  }
.prose p { color: var(--pierre); margin-bottom: 18px; max-width: 64ch; }
.prose p:last-child { margin-bottom: 0; }
.deux-col { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
@media (max-width: 880px) { .deux-col { grid-template-columns: 1fr; gap: 48px; } }
.photo-cadre { position: relative; }
.photo-cadre img { border-radius: 2px; width: 100%; height: auto; }
.photo-cadre::after {
    content: ""; position: absolute;
    inset: calc(-1 * var(--hanko-offset)) var(--hanko-offset) var(--hanko-offset) calc(-1 * var(--hanko-offset));
    border: 1px solid var(--ai); border-radius: 2px; z-index: -1;
  }
.photo-cadre .legende {
    position: absolute; left: 0; bottom: -32px;
    font-size: .72rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--pierre);
  }
.definition { padding: 100px 0 90px; }
.definition .lead {
    font-family: var(--display); font-weight: 400; font-style: italic;
    font-size: clamp(1.3rem, 2.4vw, 1.75rem); line-height: 1.5; color: var(--sumi);
    margin-bottom: 22px;
  }
.bienfaits { background: var(--washi-2); padding: 90px 0; border-top: 1px solid var(--ligne); border-bottom: 1px solid var(--ligne); }
.bienfaits-grille { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 44px; }
@media (max-width: 880px) { .bienfaits-grille { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .bienfaits-grille { grid-template-columns: 1fr; } }
.carte {
    background: var(--blanc); border: 1px solid var(--ligne); border-radius: 4px;
    padding: 30px 26px;
  }
.carte .jp { font-family: var(--display); font-weight: 400; font-size: 1.7rem; color: var(--shu); line-height: 1; margin-bottom: 14px; }
.carte h3 { font-family: var(--display); font-weight: 600; font-size: 1.18rem; color: var(--sumi); margin-bottom: 10px; }
.carte p { font-size: .92rem; color: var(--pierre); }
.kata { padding: 96px 0; }
.cta-finale h2 { color: var(--blanc); margin: 0 auto 18px; max-width: 20ch; }
.cta-finale .horaire-iaido {
    display: inline-flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: center;
    margin: 0 auto 32px; position: relative;
    background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.16);
    border-radius: 999px; padding: 10px 24px; font-size: .95rem; color: rgba(255,255,255,.92);
  }
.cta-finale .horaire-iaido b { color: var(--shu-tint); font-weight: 700; font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; }